/*
 * Copyright 2016-2019 yoara
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package yhao.infra.service.datasource.usemaster;

import org.aspectj.lang.ProceedingJoinPoint;
import org.aspectj.lang.annotation.Around;
import org.aspectj.lang.annotation.Aspect;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.stereotype.Component;
import yhao.infra.common.ContextHolder;

/**
 * 主从切换切面
 *
 * @author yoara
 */
@Aspect
@Component
public class UseMasterAop {
    private static Logger logger = LoggerFactory.getLogger(UseMasterAop.class);

    @Around(value = "@annotation(useMasterDb)")
    public Object useMaster(ProceedingJoinPoint joinPoint, UseMasterDb useMasterDb) throws Throwable {
        Object result;
        ContextHolder.setContextData(UseMasterContextKey.class,true);
        try{
            result = joinPoint.proceed();
        }catch (Exception e){
            logger.error(e.getMessage(),e);
            throw e;
        }finally {
            ContextHolder.removeContextData(UseMasterContextKey.class);
        }
        return result;
    }
}
